Question about Honeywell HZ-710 Oil Filled Radiator Heater
When I turn the heater on there is an F appears. it stays one just a few seconds and shuts off.
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Warning this will disable the tip over sensor, Unit will not automatically turn off
when knocked over!!
I had the same problem with the "F" appearing and the unit turning off. I read a similar post about the hz-709, that talks of removing the "tip over sensor". To remove the sensor, "two little black boxes on one chip, that rattles like there is a ball bearing in each box."
Remove two small screws on the bottom of the heater then remove two small screws on the top of the heater "top screws are under a small cap that can be popped of with a flat head screwdriver."
Inside long panel front Unplug three wires, White Brown Blue "remember where they where plugged in, so you can plug then back in later."
Inside long panel front there is a silver panel with eight screws on it only the, only the four "corner" screws have to be removed to remove silver panel.
remove silver panel then remove remaining 4 screws, Now remove front control from long panel front, there are 6 screws only have to remove the four inner screws, Open white box, slip large chip off three prongs,
there are two small blue wires connecting to the two small black boxes from the beginning of this post, cut wire from box, twist or solder together, and tape with electrical tape.
"You have just removed/disable the tip over sensor, Unit will not turn off when knocked over!!"
Reverse steps reassemble the unit and enjoy.
Posted on Dec 23, 2008
Greg12345's solution seems to be correct. i have a model 710 and had already had it open, debating wheather to bypass that very tip sensor, when i searched and found this post encouraging me to proceed. removing the sensor and joining the 2 blue wires solved the problem. the unit still displays "F" when first powered on - i believe this is simply indicating that temperature will be displayed in Farenheit units... thanks!
Posted on Oct 13, 2009
Had the same problem and called the company's (800) number. (800) 332-1110
Was informed that I could cut the chord and mail it to KAZ Returns Dept (250 Turnpike Road, Southboro MA, 01772). They will send you a new unit in lieu of a $10 check to cover return shipping.
Posted on Jan 23, 2008
Greg12345 has correct solution. Project took me 45 minutes and unit works fine now. Only thing I would add is how to open the white box. Note 4 tabs on ENDS of box. Using 1/8" slotted screwdriver push in tab lock while gently prying loose that corner. Repeat for each corner.
Remember, upon using Greg's solution you will have disabled the tip-over sensor. The unit will not turn off now if it is tipped over.
Posted on Nov 22, 2010
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Posted on Jan 02, 2017
SOURCE: oil filled heater wont stay on
I was having the same problem and did a search to find this link. This morning when I turned it on, I backed the temperature down to 66 when it first came on (defaults to 70) and it appears to be working now (it's been on for over 10 minutes)
Posted on Dec 18, 2008
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